Question

Blood typing was used to help resolve a paternity dispute. The mother has Type A blood, the child has type O, one potential father (Mr. Brown) has type B blood, and the other potential father (Mr. Williams) has Type AB. Whose the father?

Answer 1

If im not wrong the father would be Mr Williams because type ab and o have some similarities compared to b

Answer 2

he correct answer is Mr. brown

The mother gas AO genotype the father has BO genotype which which 25% probability gives us a child with OO genotype.